(1,18) (2,12) (3,15) (4,17) (5,20) (6,19) (7,14) (8,11) (9,13) (10,16) 
nodes: 461  conflicts: 2  modelTime: 756  solveTime: 609  totalTime: 1368  modelSize: 20646  readTime: 3 size: 10